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Legacy single-wire communication line used on older or specific European vehicles.

Connect to pin 2 of the large ECU connector. Pin CAN-H: Connect to pin 56. Pin CAN-L: Connect to pin 55. 2. Delphi DCM7.1AP (PSA, Hyundai, Kia)

A stabilized power supply (12V–14V) is critical. Voltage drops during a write process can "brick" an ECU.

Dimsport typically uses standard colors for their wiring harnesses (Red for +12V, Black for GND, Yellow/Grey/White for signals).